Predicting the components of the total hemispherical solar radiation from sunshine duration measurements in Lagos, Nigeria

A.A.L. Maduekwe and M.A.C. Chendo

Renewable Energy, 1995, vol. 6, issue 7, 807-812

Abstract: Correlations for the city of Lagos (latitude 6.58°N, longitude 3.33°E) have been found between the records of bright sunshine hours and the daily and monthly components of the total hemispherical solar radiation. Four new models have been developed which inlucde HH0 as a predictor in Angstrom-type models for the diffuse and beam fractions. They contain the quadratic term of the sunshine index, (nN) and are given as follows: QH0 = a + b(HH0) + c(nN)+d(nN)2, QH0 = a + b(HH0)+ d(nN)2, QH = a + b(HH0) + c(nN)+d(nN)2,

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:6:y:1995:i:7:p:807-812

DOI: 10.1016/0960-1481(95)91008-2

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